1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
DsQ/aG9c% <table border oncontextmenu=return(false)><td>no</table> 可用于Table
;k}H(QI ~L'nzquF 2. <body onselectstart="return false"> 取消选取、防止复制
f#OQ (WTJE ZqK]jT6V/X 3. onpaste="return false" 不准粘贴
%rcFT_ T4GW1NP 4. oncopy="return false;" oncut="return false;" 防止复制
N`1r;%5 l RND 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
P']Y(
!L *rf$>8~$n 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
aR)?a;}H ik\S88| 7. <input style="ime-mode:-Disabled"> 关闭输入法
\ja `c)x GYoseqZM 8. 永远都会带着框架
.'lN4x <script language="javascript"><!--
3dm'xetM if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
Ef,Cd[]b // --></script>
>FF1)~ [hHG. 9. 防止被人frame
jVYH;B%%z <SCRIPT LANGUAGE=javascript><!--
%g w{[
/[A if (top.location != self.location)top.location=self.location;
g^j7@dum // --></SCRIPT>
Funj!x'uE aD|Yo 10. 网页将不能被另存为
HcO5?{2 <noscript><iframe src=*.html></iframe></noscript>
7cw]v"iv eq hAus?) 11. <input type=button value=查看网页源代码
o](.368+4 onclick="window.location = `view-source:`+
http://www.51js.com/`";>
Euu
,mleM `%y5\!X 12.删除时确认
y<M]dd$ <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
:hP58 }Q$ !01i%W' 除</a>
h8.FX-0& = [H^ X"D 13. 取得控件的绝对位置
_}ele+ //javascript
{D,RU8& <script language="javascript">
V(..8}LlD function getIE(E){
E}$V2ha0zu var t=e.offsetTop;
Z,aGtJ.a'9 var l=e.offsetLeft;
%U?)?iZdL while(e=e.offsetParent){
7\%$>< K t+=e.offsetTop;
]o*$h$? s l+=e.offsetLeft;
) 4ncutb }
CZ tiWZ alert("top="+t+"/nleft="+l);
M/B/b<[' }
5i9Ub|!P </script>
v#U pw\! nh;y:Bi //VBScript
+^gO/0 <script language="VBScript"><!--
=v0~[E4 function getIE()
xb`CdtG2. dim t,l,a,b
o4~kX set a=document.all.img1
or.\)(m#( t=document.all.img1.offsetTop
5"gL.Ez l=document.all.img1.offsetLeft
__(V C: while a.tagName<>"BODY"
all*P #[X set a = a.offsetParent
]M\q0>HoJ t=t+a.offsetTop
V6*?$o l=l+a.offsetLeft
1b[NgOXY= wend
c F=P!2@ msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
LyP`{_"CM end function
a8QfkOe --></script>
VDn:SGj5 )7AM3%z1? 14. 光标是停在文本框文字的最后
B5`;MQJ <script language="javascript">
!I7 ? function cc()
%zflx~ {
OG}KqG!n var e = event.srcElement;
mz-N{ >k var r =e.createTextRange();
@_Sp3nWdu r.moveStart(`character`,e.value.length);
^ZVOql& r.collapse(true);
~`[8"YUL r.select();
Zs73
ad }
8A4TAT4, </script>
3#mE(
`|P <input type=text name=text1 value="123" onfocus="cc()">
24X=5Aj XtzOFx/ 15. 判断上一页的来源
{u4i*udG`) javascript:
`^%@b SE( document.referrer
"XB4yExy w%2ziwgh 16. 最小化、最大化、关闭窗口
d?}hCo=/Xq <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
^U{P3%uZ <param name="Command" value="Minimize"></object>
;@4sd%L8V <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
UN(3i(d <param name="Command" value="Maximize"></object>
A^L?_\e6 <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
PW)8aLU <PARAM NAME="Command" value="Close"></OBJECT>
=mLeMk/7 w +f]u5p[ <input type=button value=最小化 onclick=hh1.Click()>
qK-qcPLsl <input type=button value=最大化 onclick=hh2.Click()>
L!vWRwZwC <input type=button value=关闭 onclick=hh3.Click()>
K0 QH?F 本例适用于IE
+.K*n& %I}'Vb{C 17.屏蔽功能键Shift,Alt,Ctrl
>#?iO]). <script>
D!me%; function look(){
D 2$^" if(event.shiftKey)
5p{25N_t alert("禁止按Shift键!"; //可以换成ALT CTRL
#G~wE*VR$ }
C*Xik9n document.onkeydown=look;
vX 1W@s </script>
Ys%'#f t%HI1eO7h 18. 网页不会被缓存
FE}s#n_Pd <META HTTP-EQUIV="pragma" CONTENT="no-cache">
kyu2)L2u <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
!mae^A1 <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
B,MQ.|s[ 或者<META HTTP-EQUIV="expires" CONTENT="0">
P
eHW[\) C (U 19.怎样让表单没有凹凸感?
`GS cRhbh <input type=text style="border:1 solid #000000">
W1`Dx(g 或
B'#4;R!8P= <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
iLQSa7 ->3uOF!q 1 solid #000000"></textarea>
F {/>u(@3 !G[f[u4Zg 20.<div><span>&<layer>的区别?
*?p
^6vO
<div>(division)用来定义大段的页面元素,会产生转行
$r):d <span>用来定义同一行内的元素,跟<div>的唯一区别是不产生转行
Lz?*B$h <layer>是ns的标记,ie不支持,相当于<div>
6"%@L{UQ Z,SY
N?@ 21.让弹出窗口总是在最上面:
(H2ylMpQt <body onblur="this.focus();">
bl`D+/V i)[kubM 22.不要滚动条?
YQx?*
gZS 让竖条没有:
1y~L8!:L <body style=`overflow:-Scroll;overflow-y:hidden`>
%rw}u"3T </body>
HM
90Sb 让横条没有:
~;!BDLMC6 <body style=`overflow:-Scroll;overflow-x:hidden`>
V07VwVD </body>
@ "0uM?_)- 两个都去掉?更简单了
#)FDl70S8 <body scroll="no">
.Nk}Z9L]k </body>
Ej{+U !. p 23.怎样去掉图片链接点击后,图片周围的虚线?
hAlPl<BO#V <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
m|lM.]2_ W
w^7^q& 24.电子邮件处理提交表单
aU4R+.M7@ <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
brj[c>ID <input type=submit>
aj?2jU~Pq </form>
*|^,DGfQ6 ;}UzJe ,S 25.在打开的子窗口刷新父窗口的代码里如何写?
L,WkJe3 window.opener.location.reload()
)O9f hj) %pH)paRAP 26.如何设定打开页面的大小
lS#7xh <body onload="top.resizeTo(300,200);">
X:U=MWc> 打开页面的位置<body onload="top.moveBy(300,200);">
}\>+H k?<i*;7 27.在页面中如何加入不是满铺的背景图片,拉动页面时背景图不动
ma1(EJ/ <style>
eVrnVPkM body
)=y.^@UT@ {background-image:url(logo.gif); background-repeat:no-repeat;
El {r$-} [#IBYJ.6 background-position:center;background-attachment: fixed}
#jOOsfH|k </style>
\|blRm; 28ja-1dB 28. 检查一段字符串是否全由数字组成
gU~
L@R_D <script language="javascript"><!--
n%n'1AUP: function checkNum(str){return str.match(//D/)==null}
"oHp.$+K alert(checkNum("1232142141"
xm^N8 alert(checkNum("123214214a1"
k]t,q$Vd // --></script>
|y klT 'y< t/qo 29. 获得一个窗口的大小
b By'v/ document.body.clientWidth; document.body.clientHeight
Ywmyr[Uh' akMJ4EF/ 30. 怎么判断是否是字符
ccRlql( if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
)4@M`8 else alert("全是字符";
J`4Z<b53 Y$>+U 31.TEXTAREA自适应文字行数的多少
PL9<*.U"= <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
*3!(*F@M, </textarea>